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Sold out [Available at 10 PM on August 9th] [Limited to 2 stones] 1 Nigerian Cobalt Garnite [Multiple purchase discounts available]
Sold out ナイジェリア産グリーンベリル 0.253ctルース
Sold out ナイジェリア産モルガナイト 0.991ctルース
Sold out ナイジェリア産グリーンベリル 0.622ctルース
Sold out Limited to 15 sets: Two Nigerian tourmaline gemstones (October birthstone) Discounts available for multiple purchases
Sold out ナイジェリア産コバルトガーナイト 0.707ctルース
Sold out Nigerian Cobalt Garnite 0.311ct Loose Stone JTL Catalog

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.